The rsync wouldn't fix anything, but copy/copy would -at best- overwrite the same data ... rsync would compare and update if different.
Either case, purely a workaround. Umount of a file system should include a sync (for open files on that file system). John Westerdale Sr Container Consultant * RHCSA-8.2* Red Hat <https://www.redhat.com/> NYC Office/WFH john.westerd...@redhat.com M: 201-376-9993 IM: jwesterd He / Him / His <https://www.redhat.com/> I respect your Life-Work balance. No need to respond immediately if you receive this outside your normal working hours. On Thu, Aug 26, 2021 at 9:49 AM Geoffrey Leach <ge...@hughes.net> wrote: > On Thu, 26 Aug 2021 09:09:30 -0400 > John Westerdale <jwest...@redhat.com> wrote: > > > maybe ... rsync... rsync ... sync ... unmount? > > > > > > On Thu, Aug 26, 2021 at 9:01 AM Geoffrey Leach <ge...@hughes.net> > > wrote: > > > > > On Thu, 26 Aug 2021 19:20:06 +0930 > > > Tim via users <users@lists.fedoraproject.org> wrote: > > > > > > > On Wed, 2021-08-25 at 21:21 -0700, Geoffrey Leach wrote: > > > > > I have a script that mounts an MP3 device, copies files and > > > > > umounts. As I have counted on the umount to hang until the data > > > > > transfer is complete. That has worked fine until recently. Now > > > > > the umount finishes, leaving much of the data uncopied. > > > > > > > > Just to be very clear: > > > > > > > > Have you issued a string of commands, so that you expect all the > > > > copy commands to be executed in series before the unmount command > > > > is issued? Write-caching can be a problem, though the system > > > > shouldn't be unmounting before the cache is flushed. > > > > > > > > Or have you issued the copy and unmount commands, and hope that > > > > the actual copying will hold the unmounting at bay until finished? > > > > Parallel commands can be a problem, if you expect them to be > > > > issued in one order, but they don't quite get queued up in the > > > > way you expect. > > > > > > > > > > > > > > > > This sounds rather similar to the problem I've seen with with USB > > > > flashdrives, and SD cards, where I've seen the message pop up on > > > > the screen telling me it's okay to unplug the drive, but clearly > > > > the data transfers actually haven't yet finished. In my case, > > > > that would be some time after dragging and dropping files onto > > > > the destination, then waiting what seemed a reasonable amount of > > > > time before I right-clicked to eject or unmount the device > > > > > > copy ... copy ...umount > > maybe ... rsync... rsync ... sync ... unmount? > Would certainly work, but would rsync solve the problem? > _______________________________________________ > users mailing list -- users@lists.fedoraproject.org > To unsubscribe send an email to users-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org > Do not reply to spam on the list, report it: > https://pagure.io/fedora-infrastructure >
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